While attempting to make a new chlorofluorocarbon refrigerant, PTFE was accidentally discovered in 1938 by chemist Roy Plunkett. Plunkett was a Dupont Chemist at the time of the discovery. Dupont trade named the new material Teflon®.
via Newswire.net: Hayden Hess’s HHess Writer Profile Page http://www.newswire.net/newsroom/pr/00077946-ptfe-sheet-rod-wear-surface.html
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